Black Hawk County, IA

ZIP 50703

In ZIP 50703, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Cedar Falls Municipal Water Utilities has 1 contaminant at or over an EPA legal limit; 12 contaminants are above health goals, led by pfos at 168× California’s Public Health Goal.
• Nearest Superfund site: Waterloo Coal Gasification Plant, 1.7 miles away.
• Largest share of modeled toxic air from industry: John Deere Waterloo Works Drivetrain Operations And Foundry (84%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 271,591 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 50703

• Superfund sites nearbyA to F
• Factories and industrial sitesB to D
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityB to C
• Drinking water qualityA to F
• Pesticide useD to F
• Neighborhood health statusB to F
• Past wildfire impactsA
• Past flood impactsC to F
• Noise levelsA to D
• Radiation signalsD to F

Based on 12 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…